/*
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 */

package jse;

/**
 *
 * @author WangShuai
 */
public class ParseLang {
    public static void main(String[] args) {
        //Boolean b = Boolean.parseBoolean(null);
        //Boolean b = Boolean.parseBoolean("");
        //System.out.println(b);   false

        //Double d = Double.parseDouble(null); // java.lang.NullPointerException
        //Integer i = Integer.parseInt(null);   //java.lang.NumberFormatException
        Long l = Long.parseLong(null); //java.lang.NumberFormatException
    }
}
